EP2259282A3 - Circuit interrupter including a molded case made of liquid crystal polymer - Google Patents

Circuit interrupter including a molded case made of liquid crystal polymer Download PDF

Info

Publication number
EP2259282A3
EP2259282A3 EP10005700.9A EP10005700A EP2259282A3 EP 2259282 A3 EP2259282 A3 EP 2259282A3 EP 10005700 A EP10005700 A EP 10005700A EP 2259282 A3 EP2259282 A3 EP 2259282A3
Authority
EP
European Patent Office
Prior art keywords
molded case
liquid crystal
crystal polymer
housing
case made
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10005700.9A
Other languages
German (de)
French (fr)
Other versions
EP2259282A2 (en
EP2259282B1 (en
Inventor
Patrick W. Mills
Richard G. Benshoff
James M. Mccormick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Electrical and Power USA LLC
Original Assignee
Eaton Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of EP2259282A2 publication Critical patent/EP2259282A2/en
Publication of EP2259282A3 publication Critical patent/EP2259282A3/en
Application granted granted Critical
Publication of EP2259282B1 publication Critical patent/EP2259282B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/025Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/12Means for earthing parts of switch not normally conductively connected to the contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0264Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • H01H71/0271Mounting several complete assembled circuit breakers together
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/123Automatic release mechanisms with or without manual release using a solid-state trip unit
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H75/00Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of power reset mechanism

Abstract

A circuit interrupter includes a housing having a molded case made of liquid crystal polymer. Separable contacts are disposed within the housing. An operating mechanism is disposed within the housing and is structured to open and close the separable contacts. A trip mechanism is disposed within the housing and is structured to cooperate with the operating mechanism to trip open the separable contacts. The trip mechanism includes an electronic trip circuit and a rigid, conductive base providing a ground to the electronic trip circuit. The rigid, conductive base is insert molded to a portion of the molded case.
EP10005700.9A 2009-06-01 2010-06-01 Circuit interrupter including a molded case made of liquid crystal polymer Active EP2259282B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/475,730 US8138864B2 (en) 2009-06-01 2009-06-01 Circuit interrupter including a molded case made of liquid crystal polymer

Publications (3)

Publication Number Publication Date
EP2259282A2 EP2259282A2 (en) 2010-12-08
EP2259282A3 true EP2259282A3 (en) 2014-06-25
EP2259282B1 EP2259282B1 (en) 2016-09-21

Family

ID=42470647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10005700.9A Active EP2259282B1 (en) 2009-06-01 2010-06-01 Circuit interrupter including a molded case made of liquid crystal polymer

Country Status (2)

Country Link
US (1) US8138864B2 (en)
EP (1) EP2259282B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699710A (en) * 2016-03-21 2016-06-22 成都天进仪器有限公司 Intelligent grid simulated circuit breaker housing

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8981265B2 (en) 2008-12-30 2015-03-17 Ppg Industries Ohio, Inc. Electric circuit and sensor for detecting arcing and a transparency having the circuit and sensor
CA2837213C (en) * 2011-06-27 2019-09-10 Eaton Corporation Integral module with lighted faceplate display
US9153946B2 (en) 2012-09-25 2015-10-06 Hamilton Sundstrand Corporation Electrical contactor arrangement with thermal management
US9245699B2 (en) 2012-10-02 2016-01-26 Hamilton Sundstrand Corporation Circuit breaker module

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706916A (en) * 1972-01-19 1972-12-19 Cutler Hammer Inc Remote control circuit breaker system
WO1992016003A1 (en) * 1991-03-11 1992-09-17 Otter Controls Limited Improvements relating to thermally-responsive switches
US5633776A (en) * 1995-07-24 1997-05-27 Babcock, Inc. Circuit breaker
EP1253611A2 (en) * 2001-04-27 2002-10-30 Fujitsu Component Limited Electromagnetic relay having a reduced height
US20060176625A1 (en) * 2005-02-04 2006-08-10 Shander Mark S Circuit protection devices having an integral barrier with grounding provision
US7170376B2 (en) * 2004-12-09 2007-01-30 Eaton Corporation Electrical switching apparatus including a housing and a trip circuit forming a composite structure

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2683785A (en) * 1950-02-03 1954-07-13 Price Electric Corp Electromagnetic relay
US3706100A (en) * 1972-01-19 1972-12-12 Cutler Hammer Inc Remote control circuit breaker system
JPS5537759A (en) * 1978-09-08 1980-03-15 Omron Tateisi Electronics Co Electromagnetic relay
US5453723A (en) * 1994-06-23 1995-09-26 Eaton Corporation Two-pole compartmentalized ground fault miniature circuit breaker with increased current rating
US5761053A (en) * 1996-05-08 1998-06-02 W. L. Gore & Associates, Inc. Faraday cage
CA2426548C (en) * 2000-11-20 2010-01-26 Parker Hannifin Corporation Interference mitigation through conductive thermoplastic composite materials
US6542056B2 (en) * 2001-04-30 2003-04-01 Eaton Corporation Circuit breaker having a movable and illuminable arc fault indicator
JP4058255B2 (en) * 2001-10-25 2008-03-05 富士通コンポーネント株式会社 High frequency relay
US7570146B2 (en) 2007-07-25 2009-08-04 Eaton Corporation Circuit breaker including ambient compensation bimetal holding and releasing arc fault indicator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706916A (en) * 1972-01-19 1972-12-19 Cutler Hammer Inc Remote control circuit breaker system
WO1992016003A1 (en) * 1991-03-11 1992-09-17 Otter Controls Limited Improvements relating to thermally-responsive switches
US5633776A (en) * 1995-07-24 1997-05-27 Babcock, Inc. Circuit breaker
EP1253611A2 (en) * 2001-04-27 2002-10-30 Fujitsu Component Limited Electromagnetic relay having a reduced height
US7170376B2 (en) * 2004-12-09 2007-01-30 Eaton Corporation Electrical switching apparatus including a housing and a trip circuit forming a composite structure
US20060176625A1 (en) * 2005-02-04 2006-08-10 Shander Mark S Circuit protection devices having an integral barrier with grounding provision

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105699710A (en) * 2016-03-21 2016-06-22 成都天进仪器有限公司 Intelligent grid simulated circuit breaker housing

Also Published As

Publication number Publication date
US8138864B2 (en) 2012-03-20
US20100301976A1 (en) 2010-12-02
EP2259282A2 (en) 2010-12-08
EP2259282B1 (en) 2016-09-21

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